class_docstr: HyperPreprocessor without Hyperparameters to tune.
  
  It would always return the same preprocessor. No hyperparameters to be
  tuned.
  
  # Arguments
      preprocessor: The Preprocessor to return when calling build.
code: def __init__(self, preprocessor, *args, **kwargs):
      super().__init__(*args, **kwargs)
      self.preprocessor = preprocessor
  
file_path: autokeras/autokeras/hyper_preprocessors.py
imports: from autokeras import preprocessors
  from autokeras.engine import hyper_preprocessor
  from autokeras.utils import utils
label_desc: Use image node_id 1 to create a new DefaultHyperPreprocessor object from inherited base classes: hyper_preprocessor with example: obj = DefaultHyperPreprocessor(preprocessor)